14064697609 has 4 divisors (see below), whose sum is σ = 14330069316. Its totient is φ = 13799325904.

The previous prime is 14064697589. The next prime is 14064697657. The reversal of 14064697609 is 90679646041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90679646041 = 569 ⋅159366689.

It can be written as a sum of positive squares in 2 ways, for example, as 11369530384 + 2695167225 = 106628^2 + 51915^2 .

It is a cyclic number.

It is not a de Polignac number, because 14064697609 - 2²¹ = 14062600457 is a prime.

It is a super-2 number, since 2×14064697609² (a number of 21 digits) contains 22 as substring.

It is a deceptive number, since it divides R_14064697608.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14064697109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132685774 + ... + 132685879.

It is an arithmetic number, because the mean of its divisors is an integer number (3582517329).

Almost surely, 2^14064697609 is an apocalyptic number.

It is an amenable number.

14064697609 is a deficient number, since it is larger than the sum of its proper divisors (265371707).

14064697609 is an equidigital number, since it uses as much as digits as its factorization.

14064697609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265371706.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 14064697609 in words is "fourteen billion, sixty-four million, six hundred ninety-seven thousand, six hundred nine".